Which of the following findings should the nurse include in today's teaching? Select All That Apply.
Explanation & Rationale
Choice A rationale Negative ketones in the urine indicate that the body is not breaking down fat for energy. This is a normal finding and would not be considered a manifestation of a metabolic imbalance. Positive ketones, however, would be a sign of diabetic ketoacidosis (DKA), indicating that the body is in a state of ketosis due to insulin deficiency. Choice B rationale Abdominal pain is a significant symptom of diabetic ketoacidosis (DKA), a serious complication of hyperglycemia. The abdominal pain is thought to be caused by the metabolic acidosis, electrolyte imbalances, and gastric stasis that occur during DKA, and it can mimic other acute abdominal conditions. Choice C rationale Double vision, also known as diplopia, can be a symptom of severe hyperglycemia. High blood glucose levels can affect the nerves controlling the eye muscles, leading to temporary visual changes. This is a neuro-ophthalmic manifestation of a severe metabolic derangement, particularly in the context of diabetic ketoacidosis (DKA). Choice D rationale Headache is a common symptom of both hypoglycemia and hyperglycemia. In hyperglycemia, it is thought to be caused by dehydration and electrolyte imbalances, which can affect cerebral blood flow and pressure. It is a nonspecific but important indicator of a significant deviation from normal glucose homeostasis. Choice E rationale Nightmares can be a manifestation of nocturnal hypoglycemia. Low blood glucose levels during sleep can trigger a stress response, leading to disturbing dreams, restless sleep, or even waking up confused. The brain, which relies on glucose for energy, becomes dysfunctional during hypoglycemia, manifesting as vivid dreams. Choice F rationale Sweating is a classic and early sign of hypoglycemia. The body's physiological response to low blood glucose is to activate the sympathetic nervous system, releasing epinephrine. Epinephrine stimulates sweat glands, increases heart rate, and causes a feeling of shakiness, all in an attempt to raise blood glucose levels. Choice G rationale Excessive thirst, also known as polydipsia, is a cardinal sign of hyperglycemia. High glucose levels in the blood lead to osmotic diuresis, where the kidneys excrete excess glucose and water. The resulting dehydration triggers the thirst center in the brain, prompting the individual to drink more fluids to compensate. Choice H rationale A fruity breath odor is a pathognomonic sign of diabetic ketoacidosis (DKA). This odor is caused by the presence of ketones, specifically acetone, which is a byproduct of fat metabolism in the absence of sufficient insulin. The acetone is volatile and is exhaled through the lungs, resulting in the characteristic fruity smell.